<http://webisa.webdatacommons.org/206569766>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/351552905>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/206569766> .
<http://webisa.webdatacommons.org/206569766>	<http://www.w3.org/ns/prov#value>	"Elementary chair sends thank you letters to presenters and other personnel" .
<http://webisa.webdatacommons.org/206569766>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .